import java.io.*;

public class PalindromeCheck{

  public static void main(String[] args){

    BufferedReader dataIn = new BufferedReader(new InputStreamReader(System.in));
      try{

        System.out.print("Enter a sentence: ");
          String sentence = dataIn.readLine();
          PalCheck(sentence);

      }catch(IOException e){

        e.printStackTrace();
        System.err.println(e);

      }
    }

  public static void PalCheck(String s){

    String end = "";
    String result = s.replaceAll(" ", "");
     for ( int i = result.length() - 1; i >= 0; i-- )
       end = end + result.charAt(i);

        if (result.equalsIgnoreCase(end))
           System.out.println( result + " is a palindrome.");
        else
           System.out.println(result + " is not a palindrome.");


  }

}